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Document Title |
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7553006 |
Ink cartridge
An ink cartridge has a housing with at least one ink container having an ink outlet extending to the outside and in which a differential pressure valve is mounted. The valve has a valve opening and...
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7547415 |
Fluid chip, fluid movement control method using the same, and chemical reaction apparatus
A fluid chip has a liquid support 25 for supporting a liquid 24 , a fluid passage 22 formed by being surrounded by the liquid support 25 and through which the liquid 24 moves, and a...
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7533692 |
Springless compressor valve
A fluid-handling system that, in some embodiments, includes a poppet having a body, a magnet, and a mounting member configured to secure the magnet to the body is disclosed. Additionally, a method...
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7527069 |
Electromagnetic split flapper pressure relief valve
A pressure relief check valve system includes a valve body, a flapper, a magnet, an electromagnet, and a pressure sensor circuit. The flapper is rotationally mounted on the valve body and is...
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7509975 |
Fluid sensing shut-off devices with timer and methods of operation
Fluid sensing shut-off devices with timer and methods of operation to shut off fluid flow if a primary shutoff valve sticks in the on condition. An embodiment is disclosed using a microphone to...
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7506663 |
Magnetic check valve
A magnetic check valve includes a cage mountable in a fluid flow duct and supporting a plunger movable between a closed position blocking fluid flow past the valve, and an open position permitting...
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7487829 |
Wellbore valve having linear magnetically geared valve actuator
A wellbore valve includes a valve operator arranged to move axially along an interior of the wellbore, the valve operator arranged to operate a valve. A valve actuator is disposed proximate the...
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7483254 |
Control circuit of a bistable permanent magnet operating mechanism
The present invention relates to an automatic controlled operating mechanism, in particular, relates to a control circuit of a bistable permanent magnet operating mechanism. The control circuit...
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7481415 |
Multi-force actuator valve with multiple operating modes
A multi-force actuator valve invention including a radially polarized permanent magnet, a pair of associated electromagnetic coils, a movable magnetically operated armature member, a valve located...
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7455075 |
Servo valve with miniature embedded force motor with stiffened armature
A servo valve has a miniature force motor embedded in a main fluid chamber to directly operate between two nozzles to generate a differential pressure in two ports. The miniature force motor...
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7448411 |
Actuator and valve assembly
An actuator for selectively moving a part relative to another part includes a shape memory wire, which contracts upon heating, and a magnetic field. One end of the shape memory wire is fixed to a...
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7404541 |
Solenoid valve
A solenoid valve comprises a valve chamber between a base body and a magnet head and in the valve chamber a magnet armature functioning as a valve member is located. The actuation of the magnet...
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7370675 |
Flow conditioner for a fluid transport pipe
The flow conditioner for a fluid transport pipe, comprises a support-forming substantially tubular main body, at least one flow rectifier disposed inside the main body essentially perpendicularly...
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7363942 |
Continuous automatic control and distributor valve, with a magnetic seal
A valve which is composed of: —A seal consisting of two identical ferromagnetic discs ( 1 ), which enclose another smaller-diameter disc ( 2 ) and a permanent magnet, the rims ( 3 ) of the outer...
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7338029 |
Compact solenoid
A compact solenoid including a coil and a frame located outside the coil for constituting a magnetic circuit. The frame includes four bars extending in parallel to the axial direction of the coil...
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7331488 |
Multi-chemical dispensing system
An apparatus for selective eductive dispensing of multiple chemical fluids from separate fluid containers includes a motive fluid inlet; an eductor in fluid communication with said motive fluid...
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7325780 |
Motor operated valve with reduction gear
A small-sized motor operated valve is disclosed that has high output and high resolution by housing a reduction gear together with a rotor in a single can. A valve shaft 32 having a valve member ...
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7320456 |
Valve device
A valve element for opening and closing a flow path can be reliably set to an opening position and a closing position. The valve element for opening and closing a communication opening portion...
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7318592 |
Motorcycle steering damper
According to the invention, there is provided a steering damper ( 10 ) in which the interior of a cylinder ( 12 ) is divided into two oil chambers (A), (B) by a piston ( 14 ) which slides in the...
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7314208 |
Apparatus and method for selectively channeling a fluid
An apparatus for selectively channeling a high temperature fluid without chemically reacting with the fluid. The apparatus includes an inlet and a membrane positioned adjacent to the inlet, each...
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7302970 |
Liquid delivery device
A micro liquid delivery device includes a flow channel for flowing a liquid, at least two pressure-generators for generating pressures provided in the flow channel, and a variable member placed...
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7284978 |
Brake for molding machine valve
Disclosed is a device configured for a valve. The valve has a valve structure that is configured to include an outlet body configured to define an outlet. The outlet body is also configured to...
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7284571 |
Valve device
A valve device includes a main body case to which an inflow pipe and an outflow pipe are connected, a valve element which is disposed inside of the main body case to open or close an outflow...
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7278443 |
Pulsation causing valve for a plural piston pump
A valve for causing pulsatile flow in a multi-piston plunger pump includes a valve poppet, a valve seat, and a spring biasing the valve poppet against the valve seat; and a mechanism holding the...
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7275560 |
Pressure relief door for air duct work
A pressure relief door system for use in a duct for relieving positive or negative pressure within the duct includes a frame to be mounted in the duct; a gasket in the frame; a hinged door mounted...
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7255323 |
Pressure activated valve
A pressure activated valve incorporates arrangements of permanent magnets within the valve housing to establish a pressure threshold at which the valve is either opened or closed. The magnets are...
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7252114 |
Electromagnetic fluid flow control valve
An electromagnetic actuator status defines two pairs of poles between which an elongate magnetisable armature can see-saw through a mid position between two home positions defined by two of the...
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7234482 |
Servovalve with torque motor
The servovalve with torque motor consists of a cylindrical case ( 3 ) in which an armature ( 1 ) is arranged on one end of an arm ( 16 ) and a orifice ( 18 ) closing a nozzle ( 19 ) with working...
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7226035 |
Valve device
A valve member is located in a passage through which fluid passes. The valve member selectively opens and closes the passage. The valve member is supported by a support member formed a magnetic...
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7171981 |
Flow control device and system
A flow control valve has a ball and an annular seat providing a positive stop for automatically preventing flow through the valve when a line downstream has been broken. The flow control valve is...
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7168597 |
Aerosol metering valve
A metering valve that includes a valve body defining a metering chamber having an inlet valve adapted to be reversibly actuable from an open position to a closed position located at the inlet, and...
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7143782 |
Pressure regulator module for controlling a gas
A pressure regulator module for controlling a gas is provided, which includes a chamber, at least one gas inlet, and at least one gas outlet. In addition, a proportional valve operating essentially...
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7134639 |
Latching micro-regulator
A latching microregulator for regulating liquid flow on micro-scale levels comprises a substrate having an inlet port and an outlet port, a valve element defining a valve chamber for opening and...
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7118549 |
Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle
An anti-siphon device limits the flow of a fluid from a first region of a patient's body to a second region. The device includes a housing having a spherical inner surface with a predetermined...
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7086245 |
Valve apparatus for controlling mass flow, manufacturing method thereof and heat exchanger using the same
A flow control valve apparatus, a manufacturing method thereof and a heat exchanger using the same. The flow control valve apparatus includes: a flow channel having a longitudinal axis comprised of...
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7080818 |
Pressure regulating valve for common-rail fuel injection system
A pressure regulating valve, for regulating the pressure in a common rail, having a pistonlike valve member guided axially displaceably in a bore, which valve member acts on a closing element which...
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7077378 |
Annular valve
A valve assembly ( 1 ) operable to allow or prevent the flow of fluid to or from a working chamber of a fluid-operated machine, comprising radially spaced apart inner and outer annular valve seats...
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7032257 |
Flush tank having electromagnetic controler
A flush tank includes an outlet pipe attached to a receptacle for discharging water, a float disposed close to the outlet pipe to selectively block the outlet pipe, and to control an outward...
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7021603 |
Electromagnetic actuator and integrated actuator and fluid flow control valve
A magnetic device is formed from a permanent magnet generating magnetic flux, an armature which can occupy two positions between four poles and an electromagnet winding to which current can be...
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7014165 |
Flow control valve and flow control valve apparatus using the same
A flow control valve apparatus using a flow control valve manufactured via micro-machining is provided. The flow control valve has a substrate defining at least one orifice through which a fluid...
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7011076 |
Bipolar valve having permanent magnet
A solenoid for use in valves used in evaporative emission control systems, such as canister purge valves or vent solenoid valves. The solenoid includes a housing having an inlet port and an outlet...
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7007917 |
Electromagnetic control valve
An electromagnetic control valve having a permanent magnet and a needle are fitted in a cylindrical valve body, and a coil, and first and second yokes are mounted on an outside circumferential...
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7007915 |
Low energy fluid actuator control element
A pilot valve has: an input passageway, an output passageway, a rotatable shaft disposed between them, a permanent magnet affixed to the rotatable shaft, an electromagnet, a control element, and a...
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7004449 |
Active combustion fuel valve
A fuel metering valve for a gas turbine active combustion control system has a highly responsive pressure balanced valve assembly with either a flapper or clevis member. The valve member is mounted...
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7004446 |
Bistable dual-magnet valve unit
A dual-magnet valve unit having a first master magnet ring assembly with an outer casing slidably contained within an outer housing that forms a chamber with the casing of the master magnet ring...
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6997430 |
Fail safe valve
The invention concerns a fail-safe valve having a valve element, and a control motor being connected with the valve element via a driveline. It is endeavored to ensure the tightness of the...
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6983923 |
Flow control valve
A flow control valve utilizing at least one permanent magnet and at least one magnetic coil, wherein one or more permanent magnets or magnetic coils are used to move a movable member in towards...
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6935844 |
Gas pressure driven fluid pump having magnetic valve control mechanism and method
A gas pressure driven fluid pump comprising a pump tank having a liquid inlet and a liquid outlet. A float, carried within the interior of the pump tank, is operable to move between a low level...
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6935373 |
Electro-magnetically operable device
An electro-magnetically operated device is described in which a magnetisable armature, typically a length of thin naturally resilient mild steel, is sandwiched between, and extends from, two parts...
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6935364 |
Magnetically-operated relief valves
A valve comprising a housing having an inlet and spaced therefrom an outlet, a passageway extending between the inlet and the outlet, and a mechanism located in the passageway for controlling the...
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